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The difference is the relay operation.Normally opened or normally closed.If you add an external spdt relay,you could have a humidistat/dehumidistat.

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Q: What What is the difference between a humidistat and a dehumidistat?
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What setting should a humidistat be set to?

My dehumidistat says to set the temperature to 70 degrees.


What setting should a humidistat be set?

My dehumidistat says to set the temperature to 70 degrees.


What is the difference between a thermostat and humidistat?

A thermostat is a device that regulates temperature by turning heating or cooling systems on and off. A humidistat, on the other hand, measures and controls humidity levels in the air. While a thermostat focuses on temperature control, a humidistat focuses on humidity control.


How does a dehumidistat work?

A dehumidistat is a device that senses the humidity levels in the air and triggers a dehumidifier to turn on or off based on a set moisture level. When the humidity exceeds the set point, the dehumidistat signals the dehumidifier to start removing moisture until the desired humidity level is reached, at which point it will shut off.


How does a humidistat work with air conditioning?

An electronic humidistat works by measuring capacitance of an air gap capacitor. In this type of sensor, as air flows in between two electrodes, the capacitance between two plates will change according to the RH contained in air.


How can humidity be checked in the home?

With a temp/rh probe barring that take a humidistat and turn dial when it clicks from closing circuit note the setting and that is humidity surrounding humidistat


How can you turn on your central heat when you have a humidistat?

Not sure how it works, but it seems that you need to raise the humidistat to make the heat go on. Just raising the thermostat doesn't turn on the heater. Type your answer here...


What is the purpose of a humidistat?

A humidistat is a device used to control the operation of space conditioning systems such as air conditioners, dehumidifiers and humidifiers. When used with an air conditioner, for example, the humidistat cycles the unit on and off based on humidity rather than temperature as provided with a regular thermostat. A humidistat set at 70 percent relative humidity, for instance, will cycle the air conditioner on when relative humidity reaches 70 percent or above, even if the thermostat setting does not call for cooling.


Where can you buy a humidistat?

I bought mine from a shop reptile shop but you can get them off of the internet


How does a humidistat work?

A humidistat works by sensing the moisture level in the air. When the humidity reaches a set level, the humidistat activates or deactivates a humidifier or dehumidifier to maintain the desired humidity level in a room or building. This helps to prevent mold growth, improve air quality, and create a comfortable environment.


What would cause an air conditioner to start suddenly even when the thermostat is off?

System could have a humidistat installed...


With ac on do you also need to keep the humidistat on?

No you don't need the humidstat on as this defeats the purpose of the AC doing its work.